oj.uz

Submission #173450

# Submission time Handle Problem Language Result Execution time Memory
173450 2020-01-04T07:16:40 Z srvlt Money (IZhO17_money) C++14
100 / 100
 235 ms 15056 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree <pair <int, int>, null_type, less <pair <int, int> >, rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;

#define ll long long
#define db double
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mp make_pair
#define size(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define low_b lower_bound

#define endl "\n"
//#define int long long

using namespace std;

void dout() {
    cerr << endl;
}
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
    cerr << H << ' ';
    dout(T...);
}

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;

const int N = 1000003, M = 1000000;
int n, a[N], fen[N];

void upd(int x) {
    for (; x <= M; x |= (x + 1)) {
        fen[x]++;
    }
}

int get(int x) {
    int res = 0;
    for (; x >= 0; x = (x & (x + 1)) - 1) {
        res += fen[x];
    }
    return res;
}

void solve(int tc) {
    // check for (int i = 0; i < n; j++)
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    int j = 1, ans = 0, i = 1;
    while (i <= n) {
        while (j <= n && ((a[j] >= a[j - 1] && get(a[j] - 1) - get(a[i]) <= 0) || j == i)) {
            j++;
        }
        for (int k = i; k < j; k++) {
            upd(a[k]);
        }
        ans++;
        i = j;
    }
    cout << ans;
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
    int tc = 1;
//    cin >> tc;
    for (int i = 0; i < tc; i++) {
        solve(i);
//        cleanup();
    }
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 548 KB Output is correct
26 Correct 2 ms 632 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 548 KB Output is correct
26 Correct 2 ms 632 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 444 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 3 ms 1528 KB Output is correct
38 Correct 3 ms 1656 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 548 KB Output is correct
26 Correct 2 ms 632 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 444 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 3 ms 1528 KB Output is correct
38 Correct 3 ms 1656 KB Output is correct
39 Correct 85 ms 5496 KB Output is correct
40 Correct 148 ms 5240 KB Output is correct
41 Correct 71 ms 4344 KB Output is correct
42 Correct 64 ms 4088 KB Output is correct
43 Correct 46 ms 2296 KB Output is correct
44 Correct 182 ms 7856 KB Output is correct
45 Correct 191 ms 11140 KB Output is correct
46 Correct 175 ms 11256 KB Output is correct
47 Correct 154 ms 11160 KB Output is correct
48 Correct 173 ms 11128 KB Output is correct
49 Correct 192 ms 14952 KB Output is correct
50 Correct 192 ms 15056 KB Output is correct
51 Correct 195 ms 14584 KB Output is correct
52 Correct 187 ms 14968 KB Output is correct
53 Correct 191 ms 14936 KB Output is correct
54 Correct 196 ms 14868 KB Output is correct
55 Correct 212 ms 14908 KB Output is correct
56 Correct 211 ms 14948 KB Output is correct
57 Correct 223 ms 14840 KB Output is correct
58 Correct 235 ms 15036 KB Output is correct
59 Correct 207 ms 14840 KB Output is correct
60 Correct 212 ms 14964 KB Output is correct
61 Correct 215 ms 14956 KB Output is correct
62 Correct 222 ms 14592 KB Output is correct